3v4l.org

run code in 300+ PHP versions simultaneously
<?php function up(&$text) { return strtoupper($text); } $array = array("hi", "bye", "how", "bY", array("test", "trial", array("hover"))); array_walk_recursive($array, 'up'); print_r($array); ?>
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kXkC2
function name:  (null)
number of ops:  9
compiled vars:  !0 = $array
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    5     0  E >   ASSIGN                                                   !0, <array>
    6     1        INIT_FCALL                                               'array_walk_recursive'
          2        SEND_REF                                                 !0
          3        SEND_VAL                                                 'up'
          4        DO_ICALL                                                 
    7     5        INIT_FCALL                                               'print_r'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    8     8      > RETURN                                                   1

Function up:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/kXkC2
function name:  up
number of ops:  6
compiled vars:  !0 = $text
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   RECV                                             !0      
    3     1        INIT_FCALL                                               'strtoupper'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                         $1      
          4      > RETURN                                                   $1
    4     5*     > RETURN                                                   null

End of function up

Generated using Vulcan Logic Dumper, using php 8.0.0


preferences:
136.43 ms | 1394 KiB | 19 Q